CN212377088U

CN212377088U - Multifunctional bolt thread protective sleeve

Info

Publication number: CN212377088U
Application number: CN202020387450.1U
Authority: CN
Inventors: 王奎; 乔文俊; 宋伟
Original assignee: China Shanxi Sijian Group Co Ltd
Current assignee: China Shanxi Sijian Group Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-19
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a multifunctional bolt screw thread protective sleeve, belonging to the technical field of bolts; providing a bolt thread protective sleeve; the technical scheme is as follows: a multi-functional bolt threading protection sleeve, comprising: the protective sleeve, the front end cap and the rear end cap; the protective sheath front end tubular construction, the protective sheath rear end is hexagon tubular structure, just pipe and the coaxial fixed connection of hexagonal venturi tube, the protective sheath front end articulates there is the front end to emit, the protective sheath rear end is provided with the internal thread, the rear end is emitted and is provided with the external screw thread, the rear end emits and sets up in the protective sheath rear end.

Description

Multifunctional bolt thread protective sleeve

Technical Field

The utility model relates to a multi-functional bolt screw thread protective sleeve belongs to bolt technical field, concretely relates to bolt protective sheath.

Background

The bolt can fasten equipment, members and the like on a concrete foundation, and is suitable for railway, highway, power enterprise, factory, mine, bridge, tower crane, large-span steel structure, large building and other infrastructures due to the superior performance of the bolt. With the development of the technology, bolt thread protection devices are also widely used. Traditional bolt screw thread protection device has certain corrosion protection performance and length adjustment performance, but the preparation difficulty, complex operation, and sealing performance still can improve, and the later maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a bolt screw thread protective sleeve.

In order to achieve the technical purpose, the utility model provides a technical scheme does:

a multi-functional bolt threading protection sleeve, comprising: the protective sleeve, the front end cap and the rear end cap; the protective sheath front end tubular construction, the protective sheath rear end is hexagon tubular structure, just pipe and the coaxial fixed connection of hexagonal venturi tube, the protective sheath front end articulates there is the front end to emit, the protective sheath rear end is provided with the internal thread, the rear end is emitted and is provided with the external screw thread, the rear end emits and sets up in the protective sheath rear end.

The circular tube of the protective sleeve is a rubber corrugated tube; the rear end of the protective sleeve is a plastic pipe.

And an oil filling hole is formed in the circular pipe of the protective sleeve.

The oil filling device is characterized in that a blocking piece is arranged on the inner wall of the round pipe at the position of the oil filling hole, the blocking piece is a rubber leather pad, the area of the blocking piece is larger than that of the oil filling hole, and the blocking piece can block the oil hole.

The protective sleeve is characterized in that the outer wall of the front end of the round pipe at the front end of the protective sleeve is provided with a hinged base, a hinged hinge is fixed on the front cover and arranged between the two hinged bases, and the hinged hinge is movably connected with the hinged bases through a hinged shaft.

Two annular grooves are formed in the hinged shaft.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses the protective sheath adopts rubber bellows, and when being convenient for install the bolt, the protective sheath independently contracts back, does not disturb the bolt normal installation when realizing preventing that the bolt from rustting.

The utility model discloses a protective sheath, front end emit and the rear end emits, can form inclosed bolt protective sheath, are convenient for long-time storage and protection, are provided with two annular grooves on the articulated shaft, and when the on-the-spot bolt of being convenient for was used, the front end emitted and conveniently pulled down, then the normal use bolt.

The oil filler point can conveniently pour into the butter into, protects the bolt, and the rubber leather packing can prevent that the butter from leaking back simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is an enlarged schematic view of a in fig. 2 according to the present invention.

Fig. 5 is an enlarged schematic view of B in fig. 3 according to the present invention.

In the figure: the device comprises a protective sleeve 1, a front end cap 2, a rear end cap 3, an oil filling hole 11, a blocking piece 12 and a hinged base 13.

Detailed Description

For a further understanding of the present invention, reference will now be made in detail to the following examples and embodiments, taken in conjunction with the accompanying drawings:

as shown in fig. 1 to 5: the utility model relates to a multi-functional bolt screw thread protective sleeve, include: the protective sleeve comprises a protective sleeve 1, a front end cap 2 and a rear end cap 3; the utility model discloses a protective sheath, including protective sheath 1, rear end cap, protective sheath, internal thread, rear end cap, internal thread, protective sheath 1 front end circular tube structure, 1 rear end of protective sheath are hexagon tubular structure, just the circular tube is with the coaxial fixed connection of hexagonal venturi tube, 1 front end of protective sheath articulates there is the front end to emit 2, 1 rear end of protective sheath is provided with the internal thread, the rear end emits and is provided with the external screw thread on 3, the rear end.

The circular tube of the protective sleeve 1 is a rubber corrugated tube; the rear end of the protective sleeve 1 is a plastic pipe.

An oil filling hole 11 is formed in the circular pipe of the protective sleeve 1.

A blocking piece 12 is arranged on the inner wall of the round pipe at the position of the oil filling hole 11, the blocking piece 12 is a rubber leather pad, the area of the blocking piece 12 is larger than that of the oil filling hole 11, and the blocking piece 12 can block the oil filling hole 11.

The outer wall of the front end of the round pipe at the front end of the protective sleeve 1 is provided with a hinged base 13, a hinged hinge is fixed on the front cap 2 and is arranged between the two hinged bases 13, and the hinged hinge is movably connected with the hinged bases 13 through a hinged shaft.

Two annular grooves are formed in the hinged shaft.

The utility model discloses specific embodiment as follows:

the bolt of corresponding size is put into from hexagonal pipe department, and the front end cap 2 is closed, and the rear end cap 3 is twisted, pours into the butter through oil filler point 11. During the use, with the front end cap 2 power of pulling down, the articulated shaft atress is at annular groove department fracture, and the front end cap 2 breaks away from with protective sheath 1, and the rear end cap 3 breaks away from, adopts the sleeve to twist the bolt back, and the rear end cap 3 is twisted well.

The above embodiments are merely illustrative of the principles of the present invention and its effects, and do not limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications or changes be made by those skilled in the art without departing from the spirit and technical spirit of the present invention, and be covered by the claims of the present invention.

Claims

1. The utility model provides a multi-functional bolt thread protective sleeve which characterized in that includes: the protective sleeve (1), the front cap (2) and the rear cap (3); protective sheath (1) front end tubular construction, protective sheath (1) rear end are hexagon tubular structure, just pipe and the coaxial fixed connection of hexagonal pipe, protective sheath (1) front end articulates there is front end to emit (2), protective sheath (1) rear end is provided with the internal thread, the rear end is emitted and is provided with the external screw thread on (3), the rear end emits (3) and sets up in protective sheath (1) rear end.

2. The multifunctional bolt thread protective sleeve according to claim 1, characterized in that: the circular tube of the protective sleeve (1) is a rubber corrugated tube; the rear end of the protective sleeve (1) is a plastic pipe.

3. The multifunctional bolt thread protective sleeve according to claim 1, characterized in that: an oil filling hole (11) is formed in the circular pipe of the protective sleeve (1).

4. The multifunctional bolt thread protective sleeve according to claim 3, characterized in that: be provided with separation blade (12) on the pipe inner wall of oil filler hole (11) mouth department, separation blade (12) are the rubber leather packing, the area of separation blade (12) is greater than the area of oil filler hole (11) mouth, separation blade (12) can be with oil filler hole (11) mouth shutoff.

5. The multifunctional bolt thread protective sleeve according to claim 1, characterized in that: the protective sheath is characterized in that a hinged base (13) is arranged on the outer wall of the front end of the round tube at the front end of the protective sheath (1), a hinged hinge is fixed on the front cap (2), the hinged hinge is arranged between the two hinged bases (13), and the hinged hinge is movably connected with the hinged bases (13) through a hinged shaft.

6. The multifunctional bolt thread protective sleeve according to claim 5, characterized in that: two annular grooves are formed in the hinged shaft.